BlueWater Ropes 10.3mm Standard SlimLine Elite Dynamic Single Rope. The workhorse of BlueWater Ropes dynamic ropes, the SlimLine Elite is both light and durable, and excels at all-around, multi-pitch and dogging sport routes. It has a durable, beefy sheath from a 40 carrier braid design. Standard finish. Made in the U.S.A.